A ScrumMaster is a key role in the Scrum framework, which is used for managing and completing complex projects. The primary responsibility of a ScrumMaster is to facilitate the Scrum process, ensuring that the team adheres to its principles and practices. They help remove obstacles that may hinder the team's progress and promote a collaborative environment. In addition to supporting the team, a ScrumMaster also acts as a liaison between the team and other stakeholders, such as Product Owners and management. They provide guidance on Agile methodologies and encourage continuous improvement within the team, fostering a culture of learning and adaptation.